39895380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{31663}}^1$

素因数の和:31685

約数の個数: 72

約数和(自身を含む): 138308352

約数和(自身を除く): 98412972

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 31663, 63326, 94989, 126652, 158315, 189978, 221641, 284967, 316630, 379956, 443282, 474945, 569934, 633260, 664923, 886564, 949890, 1108205, 1139868, 1329846, 1424835, 1899780, 1994769, 2216410, 2659692, 2849670, 3324615, 3989538, 4432820, 5699340, 6649230, 7979076, 9973845, 13298460, 19947690, 39895380]

約数ペア:

[(1, 39895380), (2, 19947690), (3, 13298460), (4, 9973845), (5, 7979076), (6, 6649230), (7, 5699340), (9, 4432820), (10, 3989538), (12, 3324615), (14, 2849670), (15, 2659692), (18, 2216410), (20, 1994769), (21, 1899780), (28, 1424835), (30, 1329846), (35, 1139868), (36, 1108205), (42, 949890), (45, 886564), (60, 664923), (63, 633260), (70, 569934), (84, 474945), (90, 443282), (105, 379956), (126, 316630), (140, 284967), (180, 221641), (210, 189978), (252, 158315), (315, 126652), (420, 94989), (630, 63326), (1260, 31663)]